Open Science Research Excellence
K. Kusakana ,  Overview of Different Approaches Used in Optimal Operation Control of Hybrid Renewable Energy Systems.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology. June 2016, vol. 114(6). 811 - 818[viewed 17 July 2019]. Available from: http://waset.org/publications/10004846.